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AWS ERNiCrFe-6 vs. EN 1.4971 Stainless Steel

AWS ERNiCrFe-6 belongs to the nickel alloys classification, while EN 1.4971 stainless steel belongs to the iron alloys. They have 41% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrFe-6 and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 34
34
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
81
Tensile Strength: Ultimate (UTS), MPa 630
800

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 460
450
Thermal Conductivity, W/m-K 13
13
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 55
70
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 9.8
7.6
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 260
300

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 3.3
3.4
Thermal Shock Resistance, points 19
19

Alloy Composition

Carbon (C), % 0 to 0.080
0.080 to 0.16
Chromium (Cr), % 14 to 17
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 8.0
24.3 to 37.1
Manganese (Mn), % 2.0 to 2.7
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 67 to 81.5
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 2.5 to 3.5
0
Tungsten (W), % 0
2.0 to 3.0
Residuals, % 0 to 0.5
0